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Finding the Fourth Proportional to 536,463.93, 740,321.18 and 294,744.40

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Solution

The fourth proportional to 536,463.93, 740,321.18 and 294,744.40 is: 406,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,463.93 : 740,321.18 = 294,744.40 : x
  2. Step 2: Convert to fraction form
    536,463.93/740,321.18 = 294,744.40/x
  3. Step 3: Cross multiply
    536,463.93x = 740,321.18 × 294,744.40
  4. Step 4: Simplify right side
    536,463.93x = 218,205,522,006.39
  5. Step 5: Solve for x
    x = 218,205,522,006.39/536,463.93
  6. Step 6: Final answer
    x = 406,747.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.